The short and simple answer is that out of bounds stakes in golf are always white. When you see a line of white stakes or a white line painted on the ground, you're looking at the boundary of the golf course. Hitting your ball beyond this line comes with a significant penalty. This guide will walk you through exactly what those white stakes signal, the penalty for going out of bounds, and how to correctly identify all the other colored stakes and lines you’ll encounter during a round.
In golf, the color white is the universal indicator for "out of bounds" (OB). This is one of the most consistent rules in course marking across the globe. Whether you're playing at your local public course or a prestigious private club, white stakes or white lines define the areas where the course officially ends. Think of it as the chalk line on a football field - anything on one side is in play, and anything on the other is out.
It's important to know that a single white stake on its own doesn't mean much. The boundary is formed by the line connecting the course-side points of two or more stakes at ground level. If you see a row of them, you know you need to keep your ball inside that line.
So, a ball is out of bounds, but what does that mean in practice? The rule isn't actually about the physical stakes - it's about the imaginary line they create.
This is a detail that trips up a lot of golfers. Your ball can be physically touching a white stake, but if a tiny sliver of it is still overhanging the in-bounds side of the line, it is perfectly safe to play! You are also allowed to stand out of bounds to hit a shot that is in bounds. This happens frequently when a ball comes to rest right against the OB line, forcing a player to plant their feet on the "wrong side" of the stakes to make a swing. This is a completely legal play.
If there's any doubt about whether your ball is in or out, use the "line of sight" method. Stand in-bounds and look down the line from one stake to the next. If you can see even a part of your golf ball from the "in-bounds" area, it's safe. If the stakes completely block your view of the ball, then it's clearly out of bounds. If it's a close call in a match, the best practice is to announce you're hitting a provisional ball before going forward to check.
Hitting your ball out of bounds is one of the costliest errors you can make on the golf course. Under the Rules of Golf (Rule 18.2), the penalty is stroke-and-distance. This phrase can be a little confusing, so let's break it down in simple terms:
Let’s say you're on the tee of a par-4. You swing away, and that is your first stroke. Unfortunately, the ball sails well left and lands beyond the white stakes. Because the ball is out of bounds, you must add one penalty stroke. You then have to walk back to the tee box and hit again. The shot you are about to hit from the tee is now your third stroke on the hole.
(1st Shot + 1 Penalty Stroke = 2, so the next shot is Stroke #3).
Not only did you add a stroke to your score, but you also gained no ground on the hole. It's a stiff penalty that can turn a potential par into a double-bogey or worse.
The traditional stroke-and-distance penalty can drastically slow down the pace of play and be demoralizing, especially for beginner or recreational golfers. To address this, golf's governing bodies created an alternative option called **Model Local Rule E-5** a few years ago. This local rule gives a committee or course the choice to allow a player to drop a ball near where it went out of bonds for a **two-stroke penalty**.
This rule is designed to keep the game moving. Instead of making the long walk (or drive) back to where you last played, you can:
Let's use our tee shot example again. Your first drive goes OB. With Local Rule E-5 in effect, you don't have to go back. You'd go to the point where your ball crossed the OB line, find the nearest fairway spot, and drop your ball. That first shot plus the two-stroke penalty means you are now hitting your **fourth stroke** from there. It's one more stroke than re-teeing, but you save time and the frustration of the walk back.
Note: This is a "local rule," so it's only active if the course or competition committee has put it in place. It's very common in social and club-level play but not used in elite professional or amateur events.
Now that white is covered, let's look at the other colors you'll ancounter. Understanding these is just as important for knowing how to proceed when your ball finds trouble.
Red marks a Penalty Area (what was once called a "Lateral Water Hazard"). These are typically water hazards or other challenging parts of the course that run alongside the hole.
If your ball enters a red-staked penalty area, you have three relief options, each for a one-stroke penalty:
Yellow also marks a Penalty Area (once just "Water Hazard"). You'll often find these crossing the fairway in front of you, like a creek or pond guarding a green.
With yellow stakes, you only have two relief options, each for a one-stroke penalty:
The key takeaway is that you do not get the additional two-club-length lateral relief option with yellow stakes. This is the main difference you need to remember.
Blue or green stakes are less common but just as important. They usually define **Ground Under Repair (GUR)** or an environmentally sensitive area from which you are not allowed to play.
The great news here is that you typically get free relief! If your ball is in a blue- or green-staked GUR area, you can find the nearest point outside of it that gives you full relief for your lie and swing. From there, you can drop your ball within one club-length, no closer to the hole, without any penalty.
Occasionally, you might see other colors like orange or pink spray paint. These are usually for temporary situations like spectator drop zones for a tournament or areas designated as no-mow zones by the superintendent. If you see an unfamiliar color, check the back of the scorecard, where course-specific local rules are often listed, or simply ask in the pro shop before you tee off.
Ultimately, knowing your colors on the course is fundamental to playing by the rules and managing your score. White means out of bounds, where you'll take a stroke-and-distance penalty. Red and yellow mark penalty areas, each with a specific set of relief options for a one-stroke penalty. And colors like blue or green generally indicate areas that grant you free relief. Understanding these basics prevents confusion and helps you make the right call.
Even for experienced players, remembering every specific rule and relief option in the heat of the moment can be a challenge. We designed Caddie AI for these exact situations on the course. If you’re standing over a ball near a red penalty area and feeling unsure about where to drop, you can describe the scenario and get an instant, clear explanation of your options. Our goal with Caddie AI is to eliminate the guesswork, giving you the confidence to play smarter and enjoy the game more.
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